Finding the Fourth Proportional to 66,477,948.08, 99,752,030.76 and 47,171,924.92
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Solution
The fourth proportional to 66,477,948.08, 99,752,030.76 and 47,171,924.92 is: 70,782,800.03
Step by Step Solution
- Step 1: Write the proportion equation
66,477,948.08 : 99,752,030.76 = 47,171,924.92 : x - Step 2: Convert to fraction form
66,477,948.08/99,752,030.76 = 47,171,924.92/x - Step 3: Cross multiply
66,477,948.08x = 99,752,030.76 × 47,171,924.92 - Step 4: Simplify right side
66,477,948.08x = 4,705,495,305,628,251 - Step 5: Solve for x
x = 4,705,495,305,628,251/66,477,948.08 - Step 6: Final answer
x = 70,782,800.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.